二冲程和四冲程发动机的区别:大多数链锯和摩托艇使用的是二冲程发动机。
What is the difference between a two-stroke and a four-stroke engine? Most chain saws and boat motors use two-stroke engines.
小型发动机技工负责维护、测试和修理引擎链锯、割草机、花园拖拉机和小型发动机的其他设备。可能需要注册或许可。
Maintains, tests and repairs engines of chainsaws, lawn mowers, garden tractors and other equipment with small engines. Registration or licensing may be required.
小型发动机技工负责维护、测试和修理引擎链锯、割草机、花园拖拉机和小型发动机的其他设备。可能需要注册或许可。
Maintains, tests and repairs engines of chainsaws, lawn mowers, garden tractors and other equipment with small engines. Registration or licensing may be required.
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